A vulnerability was found in libevent with the parsing of DNS requests and replies. An attacker could send a forged DNS response to an application using libevent which could lead to reading data out of bounds on the heap, potentially disclosing a small amount of application memory.
Find out more about CVE-2016-10195 from the MITRE CVE dictionary dictionary and NIST NVD.
| CVSS3 Base Score | 3.7 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N |
| Attack Vector | Network |
| Attack Complexity | High |
| Privileges Required | None |
| User Interaction | None |
| Scope | Unchanged |
| Confidentiality | Low |
| Integrity Impact | None |
| Availability Impact | None |
| Platform | Errata | Release Date |
|---|---|---|
| Red Hat Enterprise Linux 6 (thunderbird) | RHSA-2017:1201 | 2017-05-08 |
| Red Hat Enterprise Linux 7 (firefox) | RHSA-2017:1106 | 2017-04-21 |
| Red Hat Enterprise Linux 6 (firefox) | RHSA-2017:1104 | 2017-04-20 |
| Red Hat Enterprise Linux 7 (thunderbird) | RHSA-2017:1201 | 2017-05-08 |
| Platform | Package | State |
|---|---|---|
| Red Hat Enterprise Linux 7 | openmpi | Not affected |
| Red Hat Enterprise Linux 7 | nfs-utils | Not affected |
| Red Hat Enterprise Linux 7 | libevent | Will not fix |
| Red Hat Enterprise Linux 6 | openmpi | Not affected |
| Red Hat Enterprise Linux 6 | chromium-browser | Not affected |
| Red Hat Enterprise Linux 6 | libevent | Will not fix |
| Red Hat Enterprise Linux 6 | nfs-utils | Not affected |
| Red Hat Enterprise Linux 5 | openmpi | Not affected |
| Red Hat Enterprise Linux 5 | thunderbird | Will not fix |
| Red Hat Enterprise Linux 5 | nfs-utils | Not affected |
| Red Hat Enterprise Linux 5 | firefox | Will not fix |
| Red Hat Enterprise Linux 5 | libevent | Will not fix |
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